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US 136 E over N Wyaconda Rvr

Clark County, Missouri · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

US 136 E over N Wyaconda Rvr in Clark County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1999, making it 26 years old at the 2025 inventory.
It carries about 1,361 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 69 of the 177 inventoried bridges in Clark County rated good (39.0%); 13 (7.3%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Continuous prestressed concrete stringer or multi-beam girder
Length	about 337 ft
Location	S 9 T 65 N R 9 W
NBI structure number	11889
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.

Bridge	Built	Vehicles/day	Condition
US 61 S over Doe Run CR	1972	14,279	Fair
US 61 S over Unnamed Trib	2006	14,279	Good
US 61 S over Unnamed CR	2006	12,060	Fair
US 61 S over Big Branch CR	2006	10,194	Good
Mo 27 S over Drain Dtch	2002	9,030	Fair
Mo 27 S over Drain Dtch	2002	9,030	Fair